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MAX8903A Datasheet 2A 1-Cell Li+ DC-DC Charger

Manufacturer: Maxim Integrated (now Analog Devices)

General Description

The MAX8903A–MAX8903E/MAX8903G/MAX8903H/ MAX8903J/MAX8903N/MAX8903Y are integrated 1-cell Li+ chargers and Smart Power Selectors™ with dual (AC adapter and USB) power inputs.

The switch mode charger uses a high switching frequency to eliminate heat and allow tiny external components.

It can operate with either separate inputs for USB and AC adapter power, or from a single input that accepts both.

Overview

EVALUATION KIT AVAILABLE MAX8903A–E/G/H/J/N/Y 2A 1-Cell Li+ DC-DC Chargers for USB and Adapter Power.

Key Features

  • optimized smart power control to make the best use of limited USB or adapter power. Battery charge current and SYS output current limit are independently set. Power not used by the system charges the battery. Charge current and SYS output current limit can.